
Chemical identity
Drospirenone
CAS not listed · C24H30O3
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-100586 |
|---|---|
| PubChem CID | 59779299 |
| Name | Drospirenone |
| CAS RN | Not listed |
| Molecular formula | C24H30O3 |
| Molecular weight | 366.5 g/mol |
| IUPAC name | (1R,10R,11S,14S,15S,16S,18S,19S)-10,14-dimethylspiro[hexacyclo[9.8.0.02,4.05,10.014,19.016,18]nonadec-5-ene-15,5'-oxolane]-2',7-dione |
| InChIKey | METQSPRSQINEEU-DZJIEHTNSA-N |
02Structure identifiers

The parsed structure contains 7 rings, includes aliphatic carbon, has 8 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 8 |
|---|---|
| Unassigned stereocentres | 2 |
| Ring count | 7 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C[C@]12CCC(=O)C=C1C3CC3[C@@H]4[C@@H]2CC[C@]5([C@H]4[C@@H]6C[C@@H]6[C@@]57CCC(=O)O7)C |
|---|---|
| InChI | Not listed |
| Formula from structure | C24H30O3 |
| Molecular weight from structure | 366.5 g/mol |
03Stereochemistry
The published structure contains 8 defined and 2 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
3 recordsThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.


Drospirenone EP Impurity E / Drospirenone BP Impurity E /Drospirenone Related Compound A / 17-Epidrospirenone
CAS 90457-65-1
METQSPRSQINEEU-BCOSXLPSSA-N
10 defined, 0 unassigned centres

Drospirenone EP Impurity K / 6a,7a-Drospirenone
CAS 889652-31-7
METQSPRSQINEEU-LPRBJKGUSA-N
10 defined, 0 unassigned centres
Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.
04India status for this compound
These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.
| NDPS / RCS | NO EXACT MATCH FOUND | No CAS number is available for an exact comparison. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | No CAS number is available for an exact comparison. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
05Names and relationships
Associated parent compound
No parent compound is listed.
Other names
- Drospirenone?
- (2'S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,8dR,9aR)-4a,6a-dimethyl-4,4a,4b,5,6,6a,7a,8,8a,8b,8c,8d,9,9a-tetradecahydro-3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-7,2'-furan]-2,5'(3H,4'H)-dione
- Drospirenone EP Impurity K
- orb1224282
- SCHEMBL13460142
- AKOS024463784
- (2'S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,8dS,9aS)-4a,6a-dimethyl-4,4a,4b,5,6,6a,7a,8,8a,8b,8c,8d,9,9a-tetradecahydro-3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-7,2'-furan]-2,5'(3H,4'H)-dione
- (4aR,4bS,6aS,7S,7aS,8aS,8bS,8cR)-4a,6a-dimethyl-3',4,4a,4b,4',5,6,6a,7a,8,8a,8b,8c,8d,9,9a-hexadecahydro-5'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-7,2'-furan]-2,5'(3H)-dione
06Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
07Sources
- S01PubChem compound record, CID 59779299
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
